Home / 19,853.02-29,791.87-12,371.26

Finding the Fourth Proportional to 19,853.02, 29,791.87 and 12,371.26

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Solution

The fourth proportional to 19,853.02, 29,791.87 and 12,371.26 is: 18,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.02 : 29,791.87 = 12,371.26 : x
  2. Step 2: Convert to fraction form
    19,853.02/29,791.87 = 12,371.26/x
  3. Step 3: Cross multiply
    19,853.02x = 29,791.87 × 12,371.26
  4. Step 4: Simplify right side
    19,853.02x = 368,562,969.66
  5. Step 5: Solve for x
    x = 368,562,969.66/19,853.02
  6. Step 6: Final answer
    x = 18,564.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.